./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f963e087de2c8fcbc7f626f7e7b1f1088f7756c7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 11:26:22,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 11:26:22,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 11:26:22,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 11:26:22,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 11:26:22,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 11:26:22,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 11:26:22,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 11:26:22,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 11:26:22,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 11:26:22,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 11:26:22,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 11:26:22,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 11:26:22,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 11:26:22,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 11:26:22,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 11:26:22,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 11:26:22,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 11:26:22,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 11:26:22,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 11:26:22,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 11:26:22,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 11:26:22,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 11:26:22,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 11:26:22,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 11:26:22,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 11:26:22,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 11:26:22,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 11:26:22,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 11:26:22,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 11:26:22,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 11:26:22,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 11:26:22,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 11:26:22,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 11:26:22,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 11:26:22,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 11:26:22,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 11:26:22,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 11:26:22,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 11:26:22,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 11:26:22,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 11:26:22,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-08-27 11:26:22,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 11:26:22,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 11:26:22,224 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 11:26:22,224 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 11:26:22,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 11:26:22,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 11:26:22,226 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 11:26:22,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 11:26:22,227 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 11:26:22,227 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 11:26:22,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 11:26:22,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 11:26:22,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 11:26:22,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-27 11:26:22,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 11:26:22,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-27 11:26:22,229 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-27 11:26:22,229 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 11:26:22,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 11:26:22,229 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 11:26:22,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-27 11:26:22,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 11:26:22,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 11:26:22,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 11:26:22,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:26:22,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 11:26:22,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 11:26:22,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-27 11:26:22,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 11:26:22,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 11:26:22,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-27 11:26:22,231 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 11:26:22,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f963e087de2c8fcbc7f626f7e7b1f1088f7756c7 [2021-08-27 11:26:22,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 11:26:22,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 11:26:22,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 11:26:22,613 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 11:26:22,614 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 11:26:22,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-08-27 11:26:22,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25f73bf4e/b7dff904d3c14e6699b1a81d9a5c6af6/FLAG36da98704 [2021-08-27 11:26:23,084 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 11:26:23,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-08-27 11:26:23,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25f73bf4e/b7dff904d3c14e6699b1a81d9a5c6af6/FLAG36da98704 [2021-08-27 11:26:23,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25f73bf4e/b7dff904d3c14e6699b1a81d9a5c6af6 [2021-08-27 11:26:23,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 11:26:23,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 11:26:23,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 11:26:23,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 11:26:23,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 11:26:23,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:26:23" (1/1) ... [2021-08-27 11:26:23,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55541d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:26:23, skipping insertion in model container [2021-08-27 11:26:23,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:26:23" (1/1) ... [2021-08-27 11:26:23,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 11:26:23,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 11:26:23,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37452,37465] [2021-08-27 11:26:23,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 11:26:23,694 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 11:26:23,784 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37452,37465] [2021-08-27 11:26:23,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 11:26:23,796 INFO L208 MainTranslator]: Completed translation [2021-08-27 11:26:23,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:26:23 WrapperNode [2021-08-27 11:26:23,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 11:26:23,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 11:26:23,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 11:26:23,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 11:26:23,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:26:23" (1/1) ... [2021-08-27 11:26:23,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:26:23" (1/1) ... [2021-08-27 11:26:23,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 11:26:23,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 11:26:23,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 11:26:23,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 11:26:23,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:26:23" (1/1) ... [2021-08-27 11:26:23,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:26:23" (1/1) ... [2021-08-27 11:26:23,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:26:23" (1/1) ... [2021-08-27 11:26:23,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:26:23" (1/1) ... [2021-08-27 11:26:23,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:26:23" (1/1) ... [2021-08-27 11:26:23,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:26:23" (1/1) ... [2021-08-27 11:26:23,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:26:23" (1/1) ... [2021-08-27 11:26:23,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 11:26:23,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 11:26:23,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 11:26:23,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 11:26:23,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:26:23" (1/1) ... [2021-08-27 11:26:23,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:26:23,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 11:26:23,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-27 11:26:23,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-27 11:26:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 11:26:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 11:26:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 11:26:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 11:26:24,054 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 11:26:24,521 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2021-08-27 11:26:24,521 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2021-08-27 11:26:24,531 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 11:26:24,531 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-27 11:26:24,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:26:24 BoogieIcfgContainer [2021-08-27 11:26:24,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 11:26:24,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 11:26:24,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 11:26:24,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 11:26:24,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 11:26:23" (1/3) ... [2021-08-27 11:26:24,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5364f330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:26:24, skipping insertion in model container [2021-08-27 11:26:24,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:26:23" (2/3) ... [2021-08-27 11:26:24,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5364f330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:26:24, skipping insertion in model container [2021-08-27 11:26:24,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:26:24" (3/3) ... [2021-08-27 11:26:24,546 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2021-08-27 11:26:24,550 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 11:26:24,550 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-27 11:26:24,587 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 11:26:24,593 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-27 11:26:24,593 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-27 11:26:24,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 126 states have (on average 1.7301587301587302) internal successors, (218), 128 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:26:24,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-27 11:26:24,613 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 11:26:24,614 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 11:26:24,615 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-08-27 11:26:24,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 11:26:24,619 INFO L82 PathProgramCache]: Analyzing trace with hash -729047963, now seen corresponding path program 1 times [2021-08-27 11:26:24,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 11:26:24,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880037475] [2021-08-27 11:26:24,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 11:26:24,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 11:26:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 11:26:24,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 11:26:24,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 11:26:24,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880037475] [2021-08-27 11:26:24,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880037475] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 11:26:24,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 11:26:24,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 11:26:24,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970700612] [2021-08-27 11:26:24,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 11:26:24,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 11:26:24,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 11:26:24,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 11:26:24,819 INFO L87 Difference]: Start difference. First operand has 129 states, 126 states have (on average 1.7301587301587302) internal successors, (218), 128 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:26:25,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 11:26:25,019 INFO L93 Difference]: Finished difference Result 253 states and 429 transitions. [2021-08-27 11:26:25,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 11:26:25,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-08-27 11:26:25,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 11:26:25,032 INFO L225 Difference]: With dead ends: 253 [2021-08-27 11:26:25,033 INFO L226 Difference]: Without dead ends: 115 [2021-08-27 11:26:25,036 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 11:26:25,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-08-27 11:26:25,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-08-27 11:26:25,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 113 states have (on average 1.5309734513274336) internal successors, (173), 114 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:26:25,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 173 transitions. [2021-08-27 11:26:25,071 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 173 transitions. Word has length 18 [2021-08-27 11:26:25,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 11:26:25,071 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 173 transitions. [2021-08-27 11:26:25,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:26:25,072 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 173 transitions. [2021-08-27 11:26:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-08-27 11:26:25,077 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 11:26:25,077 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 11:26:25,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-27 11:26:25,078 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-08-27 11:26:25,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 11:26:25,079 INFO L82 PathProgramCache]: Analyzing trace with hash 2064575397, now seen corresponding path program 1 times [2021-08-27 11:26:25,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 11:26:25,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789039513] [2021-08-27 11:26:25,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 11:26:25,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 11:26:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 11:26:25,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-27 11:26:25,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 11:26:25,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789039513] [2021-08-27 11:26:25,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789039513] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 11:26:25,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 11:26:25,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 11:26:25,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390286591] [2021-08-27 11:26:25,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 11:26:25,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 11:26:25,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 11:26:25,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 11:26:25,158 INFO L87 Difference]: Start difference. First operand 115 states and 173 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:26:25,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 11:26:25,218 INFO L93 Difference]: Finished difference Result 316 states and 479 transitions. [2021-08-27 11:26:25,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 11:26:25,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-08-27 11:26:25,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 11:26:25,221 INFO L225 Difference]: With dead ends: 316 [2021-08-27 11:26:25,222 INFO L226 Difference]: Without dead ends: 210 [2021-08-27 11:26:25,223 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 11:26:25,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-08-27 11:26:25,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2021-08-27 11:26:25,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 208 states have (on average 1.5048076923076923) internal successors, (313), 209 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:26:25,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 313 transitions. [2021-08-27 11:26:25,238 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 313 transitions. Word has length 30 [2021-08-27 11:26:25,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 11:26:25,238 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 313 transitions. [2021-08-27 11:26:25,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:26:25,239 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 313 transitions. [2021-08-27 11:26:25,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-08-27 11:26:25,240 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 11:26:25,240 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 11:26:25,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-27 11:26:25,240 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-08-27 11:26:25,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 11:26:25,241 INFO L82 PathProgramCache]: Analyzing trace with hash 2064573475, now seen corresponding path program 1 times [2021-08-27 11:26:25,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 11:26:25,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489959938] [2021-08-27 11:26:25,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 11:26:25,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 11:26:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 11:26:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-27 11:26:25,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 11:26:25,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489959938] [2021-08-27 11:26:25,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489959938] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 11:26:25,323 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 11:26:25,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-27 11:26:25,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669278502] [2021-08-27 11:26:25,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 11:26:25,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 11:26:25,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 11:26:25,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 11:26:25,325 INFO L87 Difference]: Start difference. First operand 210 states and 313 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:26:25,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 11:26:25,525 INFO L93 Difference]: Finished difference Result 516 states and 794 transitions. [2021-08-27 11:26:25,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 11:26:25,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-08-27 11:26:25,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 11:26:25,529 INFO L225 Difference]: With dead ends: 516 [2021-08-27 11:26:25,529 INFO L226 Difference]: Without dead ends: 317 [2021-08-27 11:26:25,530 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 11:26:25,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-08-27 11:26:25,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 291. [2021-08-27 11:26:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 290 states have (on average 1.4275862068965517) internal successors, (414), 290 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:26:25,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 414 transitions. [2021-08-27 11:26:25,549 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 414 transitions. Word has length 30 [2021-08-27 11:26:25,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 11:26:25,550 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 414 transitions. [2021-08-27 11:26:25,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:26:25,550 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 414 transitions. [2021-08-27 11:26:25,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-27 11:26:25,551 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 11:26:25,551 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 11:26:25,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-27 11:26:25,552 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-08-27 11:26:25,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 11:26:25,552 INFO L82 PathProgramCache]: Analyzing trace with hash -422731419, now seen corresponding path program 1 times [2021-08-27 11:26:25,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 11:26:25,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181721275] [2021-08-27 11:26:25,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 11:26:25,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 11:26:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 11:26:25,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-27 11:26:25,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 11:26:25,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181721275] [2021-08-27 11:26:25,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181721275] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 11:26:25,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 11:26:25,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-27 11:26:25,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027241712] [2021-08-27 11:26:25,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 11:26:25,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 11:26:25,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 11:26:25,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 11:26:25,608 INFO L87 Difference]: Start difference. First operand 291 states and 414 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:26:25,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 11:26:25,781 INFO L93 Difference]: Finished difference Result 708 states and 1034 transitions. [2021-08-27 11:26:25,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 11:26:25,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-08-27 11:26:25,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 11:26:25,783 INFO L225 Difference]: With dead ends: 708 [2021-08-27 11:26:25,783 INFO L226 Difference]: Without dead ends: 0 [2021-08-27 11:26:25,788 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 11:26:25,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-27 11:26:25,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-27 11:26:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:26:25,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 11:26:25,789 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2021-08-27 11:26:25,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 11:26:25,789 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 11:26:25,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:26:25,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-27 11:26:25,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-27 11:26:25,792 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:26:25,793 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:26:25,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-27 11:26:25,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-27 11:26:25,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:26:25,902 INFO L857 garLoopResultBuilder]: For program point L465(lines 465 471) no Hoare annotation was computed. [2021-08-27 11:26:25,903 INFO L860 garLoopResultBuilder]: At program point L201(lines 200 541) the Hoare annotation is: true [2021-08-27 11:26:25,903 INFO L853 garLoopResultBuilder]: At program point L135(lines 131 564) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-08-27 11:26:25,903 INFO L857 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2021-08-27 11:26:25,904 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 240) no Hoare annotation was computed. [2021-08-27 11:26:25,904 INFO L860 garLoopResultBuilder]: At program point L632(lines 624 634) the Hoare annotation is: true [2021-08-27 11:26:25,904 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2021-08-27 11:26:25,905 INFO L857 garLoopResultBuilder]: For program point L302-2(lines 302 306) no Hoare annotation was computed. [2021-08-27 11:26:25,905 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 551) no Hoare annotation was computed. [2021-08-27 11:26:25,905 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 562) no Hoare annotation was computed. [2021-08-27 11:26:25,906 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 573) no Hoare annotation was computed. [2021-08-27 11:26:25,906 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2021-08-27 11:26:25,906 INFO L857 garLoopResultBuilder]: For program point L435-2(lines 205 537) no Hoare annotation was computed. [2021-08-27 11:26:25,906 INFO L860 garLoopResultBuilder]: At program point L204(lines 203 540) the Hoare annotation is: true [2021-08-27 11:26:25,906 INFO L853 garLoopResultBuilder]: At program point L171(lines 167 552) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-08-27 11:26:25,907 INFO L853 garLoopResultBuilder]: At program point L105(lines 104 573) the Hoare annotation is: (= 12292 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-08-27 11:26:25,907 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-08-27 11:26:25,907 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 409) no Hoare annotation was computed. [2021-08-27 11:26:25,907 INFO L857 garLoopResultBuilder]: For program point L404-2(lines 404 409) no Hoare annotation was computed. [2021-08-27 11:26:25,908 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 550) no Hoare annotation was computed. [2021-08-27 11:26:25,908 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 561) no Hoare annotation was computed. [2021-08-27 11:26:25,909 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 572) no Hoare annotation was computed. [2021-08-27 11:26:25,909 INFO L853 garLoopResultBuilder]: At program point L141(lines 137 562) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-08-27 11:26:25,910 INFO L860 garLoopResultBuilder]: At program point L538(lines 101 604) the Hoare annotation is: true [2021-08-27 11:26:25,910 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 84) no Hoare annotation was computed. [2021-08-27 11:26:25,910 INFO L860 garLoopResultBuilder]: At program point L605(lines 100 606) the Hoare annotation is: true [2021-08-27 11:26:25,910 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 549) no Hoare annotation was computed. [2021-08-27 11:26:25,910 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 560) no Hoare annotation was computed. [2021-08-27 11:26:25,911 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 571) no Hoare annotation was computed. [2021-08-27 11:26:25,911 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2021-08-27 11:26:25,913 INFO L857 garLoopResultBuilder]: For program point L375-2(lines 375 379) no Hoare annotation was computed. [2021-08-27 11:26:25,914 INFO L857 garLoopResultBuilder]: For program point L276(line 276) no Hoare annotation was computed. [2021-08-27 11:26:25,915 INFO L857 garLoopResultBuilder]: For program point L276-1(line 276) no Hoare annotation was computed. [2021-08-27 11:26:25,915 INFO L860 garLoopResultBuilder]: At program point L210(lines 107 572) the Hoare annotation is: true [2021-08-27 11:26:25,915 INFO L853 garLoopResultBuilder]: At program point L177(lines 173 550) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-08-27 11:26:25,916 INFO L857 garLoopResultBuilder]: For program point L574(lines 574 602) no Hoare annotation was computed. [2021-08-27 11:26:25,916 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-08-27 11:26:25,916 INFO L857 garLoopResultBuilder]: For program point L79-2(lines 76 84) no Hoare annotation was computed. [2021-08-27 11:26:25,916 INFO L857 garLoopResultBuilder]: For program point L575(lines 575 599) no Hoare annotation was computed. [2021-08-27 11:26:25,920 INFO L857 garLoopResultBuilder]: For program point L509-1(lines 205 537) no Hoare annotation was computed. [2021-08-27 11:26:25,920 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 349) no Hoare annotation was computed. [2021-08-27 11:26:25,920 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 282) no Hoare annotation was computed. [2021-08-27 11:26:25,921 INFO L857 garLoopResultBuilder]: For program point L311-1(lines 311 325) no Hoare annotation was computed. [2021-08-27 11:26:25,921 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 548) no Hoare annotation was computed. [2021-08-27 11:26:25,922 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 559) no Hoare annotation was computed. [2021-08-27 11:26:25,922 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 570) no Hoare annotation was computed. [2021-08-27 11:26:25,922 INFO L857 garLoopResultBuilder]: For program point L609(lines 609 613) no Hoare annotation was computed. [2021-08-27 11:26:25,922 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 585) no Hoare annotation was computed. [2021-08-27 11:26:25,923 INFO L857 garLoopResultBuilder]: For program point L609-2(lines 609 613) no Hoare annotation was computed. [2021-08-27 11:26:25,923 INFO L857 garLoopResultBuilder]: For program point L576-2(lines 575 597) no Hoare annotation was computed. [2021-08-27 11:26:25,923 INFO L853 garLoopResultBuilder]: At program point L147(lines 143 560) the Hoare annotation is: (or (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0)) [2021-08-27 11:26:25,924 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 582) no Hoare annotation was computed. [2021-08-27 11:26:25,924 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 451) no Hoare annotation was computed. [2021-08-27 11:26:25,924 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 219) no Hoare annotation was computed. [2021-08-27 11:26:25,924 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 547) no Hoare annotation was computed. [2021-08-27 11:26:25,924 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 558) no Hoare annotation was computed. [2021-08-27 11:26:25,925 INFO L857 garLoopResultBuilder]: For program point L215-2(lines 205 537) no Hoare annotation was computed. [2021-08-27 11:26:25,925 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 569) no Hoare annotation was computed. [2021-08-27 11:26:25,925 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 484) no Hoare annotation was computed. [2021-08-27 11:26:25,925 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 319) no Hoare annotation was computed. [2021-08-27 11:26:25,925 INFO L857 garLoopResultBuilder]: For program point L315-2(lines 313 325) no Hoare annotation was computed. [2021-08-27 11:26:25,925 INFO L853 garLoopResultBuilder]: At program point L183(lines 179 548) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-08-27 11:26:25,925 INFO L857 garLoopResultBuilder]: For program point L514-1(lines 514 518) no Hoare annotation was computed. [2021-08-27 11:26:25,926 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 419) no Hoare annotation was computed. [2021-08-27 11:26:25,926 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-27 11:26:25,926 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 256) no Hoare annotation was computed. [2021-08-27 11:26:25,926 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 546) no Hoare annotation was computed. [2021-08-27 11:26:25,926 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 557) no Hoare annotation was computed. [2021-08-27 11:26:25,927 INFO L857 garLoopResultBuilder]: For program point L119(lines 119 568) no Hoare annotation was computed. [2021-08-27 11:26:25,927 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 94) no Hoare annotation was computed. [2021-08-27 11:26:25,927 INFO L857 garLoopResultBuilder]: For program point L86-1(lines 68 622) no Hoare annotation was computed. [2021-08-27 11:26:25,927 INFO L853 garLoopResultBuilder]: At program point L153(lines 149 558) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-08-27 11:26:25,928 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-08-27 11:26:25,928 INFO L857 garLoopResultBuilder]: For program point L485(lines 485 489) no Hoare annotation was computed. [2021-08-27 11:26:25,928 INFO L857 garLoopResultBuilder]: For program point L485-2(lines 485 489) no Hoare annotation was computed. [2021-08-27 11:26:25,928 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 295) no Hoare annotation was computed. [2021-08-27 11:26:25,928 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 545) no Hoare annotation was computed. [2021-08-27 11:26:25,928 INFO L857 garLoopResultBuilder]: For program point L155(lines 155 556) no Hoare annotation was computed. [2021-08-27 11:26:25,929 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 567) no Hoare annotation was computed. [2021-08-27 11:26:25,929 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 391) no Hoare annotation was computed. [2021-08-27 11:26:25,929 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 358) no Hoare annotation was computed. [2021-08-27 11:26:25,929 INFO L853 garLoopResultBuilder]: At program point L189(lines 185 546) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-08-27 11:26:25,929 INFO L853 garLoopResultBuilder]: At program point L123(lines 119 568) the Hoare annotation is: (<= ULTIMATE.start_ssl3_connect_~s__state~0 4384) [2021-08-27 11:26:25,929 INFO L860 garLoopResultBuilder]: At program point L355(lines 68 622) the Hoare annotation is: true [2021-08-27 11:26:25,929 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-27 11:26:25,930 INFO L860 garLoopResultBuilder]: At program point L620(lines 68 622) the Hoare annotation is: true [2021-08-27 11:26:25,930 INFO L857 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2021-08-27 11:26:25,930 INFO L857 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2021-08-27 11:26:25,931 INFO L857 garLoopResultBuilder]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2021-08-27 11:26:25,931 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 294) no Hoare annotation was computed. [2021-08-27 11:26:25,931 INFO L857 garLoopResultBuilder]: For program point L290-2(lines 205 537) no Hoare annotation was computed. [2021-08-27 11:26:25,931 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 544) no Hoare annotation was computed. [2021-08-27 11:26:25,932 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 555) no Hoare annotation was computed. [2021-08-27 11:26:25,932 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 566) no Hoare annotation was computed. [2021-08-27 11:26:25,932 INFO L860 garLoopResultBuilder]: At program point L621(lines 10 623) the Hoare annotation is: true [2021-08-27 11:26:25,932 INFO L857 garLoopResultBuilder]: For program point L456(lines 456 460) no Hoare annotation was computed. [2021-08-27 11:26:25,932 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 276) no Hoare annotation was computed. [2021-08-27 11:26:25,932 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-27 11:26:25,933 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2021-08-27 11:26:25,933 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 244) no Hoare annotation was computed. [2021-08-27 11:26:25,933 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 543) no Hoare annotation was computed. [2021-08-27 11:26:25,933 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 554) no Hoare annotation was computed. [2021-08-27 11:26:25,933 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 205 537) no Hoare annotation was computed. [2021-08-27 11:26:25,934 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 276) no Hoare annotation was computed. [2021-08-27 11:26:25,936 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 565) no Hoare annotation was computed. [2021-08-27 11:26:25,937 INFO L853 garLoopResultBuilder]: At program point L195(lines 191 544) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-08-27 11:26:25,943 INFO L853 garLoopResultBuilder]: At program point L129(lines 125 566) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-08-27 11:26:25,944 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 493 505) no Hoare annotation was computed. [2021-08-27 11:26:25,944 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 431) no Hoare annotation was computed. [2021-08-27 11:26:25,944 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 234) no Hoare annotation was computed. [2021-08-27 11:26:25,944 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 542) no Hoare annotation was computed. [2021-08-27 11:26:25,945 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 553) no Hoare annotation was computed. [2021-08-27 11:26:25,945 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 564) no Hoare annotation was computed. [2021-08-27 11:26:25,945 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-27 11:26:25,945 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 532) no Hoare annotation was computed. [2021-08-27 11:26:25,945 INFO L853 garLoopResultBuilder]: At program point L198(lines 197 542) the Hoare annotation is: (<= ULTIMATE.start_ssl3_connect_~s__state~0 4384) [2021-08-27 11:26:25,945 INFO L853 garLoopResultBuilder]: At program point L165(lines 155 556) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-08-27 11:26:25,945 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 501) no Hoare annotation was computed. [2021-08-27 11:26:25,946 INFO L857 garLoopResultBuilder]: For program point L463(lines 463 474) no Hoare annotation was computed. [2021-08-27 11:26:25,947 INFO L857 garLoopResultBuilder]: For program point L463-1(lines 463 474) no Hoare annotation was computed. [2021-08-27 11:26:25,947 INFO L857 garLoopResultBuilder]: For program point L265(lines 265 269) no Hoare annotation was computed. [2021-08-27 11:26:25,947 INFO L857 garLoopResultBuilder]: For program point L265-2(lines 205 537) no Hoare annotation was computed. [2021-08-27 11:26:25,947 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 402) no Hoare annotation was computed. [2021-08-27 11:26:25,947 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 336) no Hoare annotation was computed. [2021-08-27 11:26:25,948 INFO L857 garLoopResultBuilder]: For program point L332-2(lines 205 537) no Hoare annotation was computed. [2021-08-27 11:26:25,948 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 541) no Hoare annotation was computed. [2021-08-27 11:26:25,948 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 552) no Hoare annotation was computed. [2021-08-27 11:26:25,948 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 563) no Hoare annotation was computed. [2021-08-27 11:26:25,948 INFO L857 garLoopResultBuilder]: For program point L101-1(lines 68 622) no Hoare annotation was computed. [2021-08-27 11:26:25,952 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 11:26:25,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 11:26:25 BoogieIcfgContainer [2021-08-27 11:26:25,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 11:26:25,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 11:26:25,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 11:26:25,975 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 11:26:25,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:26:24" (3/4) ... [2021-08-27 11:26:25,979 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-27 11:26:25,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-08-27 11:26:25,996 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-27 11:26:25,996 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-27 11:26:25,997 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-27 11:26:26,069 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 11:26:26,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 11:26:26,071 INFO L168 Benchmark]: Toolchain (without parser) took 2639.71 ms. Allocated memory was 65.0 MB in the beginning and 92.3 MB in the end (delta: 27.3 MB). Free memory was 44.5 MB in the beginning and 61.3 MB in the end (delta: -16.8 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2021-08-27 11:26:26,071 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 65.0 MB. Free memory was 45.8 MB in the beginning and 45.7 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:26:26,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.79 ms. Allocated memory is still 65.0 MB. Free memory was 44.4 MB in the beginning and 45.2 MB in the end (delta: -821.3 kB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-08-27 11:26:26,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.09 ms. Allocated memory is still 65.0 MB. Free memory was 45.2 MB in the beginning and 42.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 11:26:26,072 INFO L168 Benchmark]: Boogie Preprocessor took 26.29 ms. Allocated memory is still 65.0 MB. Free memory was 42.4 MB in the beginning and 40.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 11:26:26,072 INFO L168 Benchmark]: RCFGBuilder took 653.99 ms. Allocated memory was 65.0 MB in the beginning and 92.3 MB in the end (delta: 27.3 MB). Free memory was 40.6 MB in the beginning and 55.1 MB in the end (delta: -14.6 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2021-08-27 11:26:26,073 INFO L168 Benchmark]: TraceAbstraction took 1436.54 ms. Allocated memory is still 92.3 MB. Free memory was 54.7 MB in the beginning and 69.7 MB in the end (delta: -15.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2021-08-27 11:26:26,073 INFO L168 Benchmark]: Witness Printer took 94.00 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 61.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-27 11:26:26,074 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 65.0 MB. Free memory was 45.8 MB in the beginning and 45.7 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 364.79 ms. Allocated memory is still 65.0 MB. Free memory was 44.4 MB in the beginning and 45.2 MB in the end (delta: -821.3 kB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.09 ms. Allocated memory is still 65.0 MB. Free memory was 45.2 MB in the beginning and 42.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.29 ms. Allocated memory is still 65.0 MB. Free memory was 42.4 MB in the beginning and 40.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 653.99 ms. Allocated memory was 65.0 MB in the beginning and 92.3 MB in the end (delta: 27.3 MB). Free memory was 40.6 MB in the beginning and 55.1 MB in the end (delta: -14.6 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1436.54 ms. Allocated memory is still 92.3 MB. Free memory was 54.7 MB in the beginning and 69.7 MB in the end (delta: -15.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. * Witness Printer took 94.00 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 61.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 276]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 276]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1366.0ms, OverallIterations: 4, TraceHistogramMax: 2, EmptinessCheckTime: 16.0ms, AutomataDifference: 683.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 108.2ms, InitialAbstractionConstructionTime: 11.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 691 SDtfs, 319 SDslu, 355 SDs, 0 SdLazy, 342 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 391.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 57.2ms AutomataMinimizationTime, 4 MinimizatonAttempts, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 23 LocationsWithAnnotation, 23 PreInvPairs, 69 NumberOfFragments, 55 HoareAnnotationTreeSize, 23 FomulaSimplifications, 115 FormulaSimplificationTreeSizeReduction, 66.4ms HoareSimplificationTime, 23 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 33.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 15.1ms SsaConstructionTime, 93.1ms SatisfiabilityAnalysisTime, 196.6ms InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 12292 == s__state - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: s__state <= 4384 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: s__state <= 4384 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: blastFlag == 0 || 4384 <= s__state RESULT: Ultimate proved your program to be correct! [2021-08-27 11:26:26,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...